document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=120492>Question 120492</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The time in seconds it takes for an object to fall from rest is given by t = 1/4squared s, in which s is the distance fallen. What is the time it takes an object to fakk from a building 1400 feet high? I have tried 1/4 the distance fallen squared, and I just don't know how to figure this one out in seconds? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #88322 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=88322\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your formula is incorrect.\r<BR>\n" );
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document.write( "If you drop an object from a fixed height, s, the height, h, of the object after t seconds is given by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=-16t%5E2%2Bs ALIGN=MIDDLE  ALT=\"h=-16t%5E2%2Bs\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  You want the time it takes for the object starting at 1400 feet to hit the ground, or when h = 0, so:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=-16t%5E2%2B1400 ALIGN=MIDDLE  ALT=\"0=-16t%5E2%2B1400\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16t%5E2=1400 ALIGN=MIDDLE  ALT=\"16t%5E2=1400\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5E2=1400%2F16 ALIGN=MIDDLE  ALT=\"t%5E2=1400%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=sqrt%281400%2F16%29 ALIGN=MIDDLE  ALT=\"t=sqrt%281400%2F16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=sqrt%281400%29%2F4 ALIGN=MIDDLE  ALT=\"t=sqrt%281400%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=%285%2Asqrt%2814%29%29%2F2 ALIGN=MIDDLE  ALT=\"t=%285%2Asqrt%2814%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, roughly 9 and 1/3 seconds.\r<BR>\n" );
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document.write( "In general, if you drop an object from height s in feet and you want to know the time it takes to reach height h in feet, it takes:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=sqrt%28s-h%29%2F4 ALIGN=MIDDLE  ALT=\"t=sqrt%28s-h%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > seconds.\r<BR>\n" );
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document.write( "Also, if the heights are given in meters, then the constant factor is different:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=4.9t%5E2%2Bs ALIGN=MIDDLE  ALT=\"h=4.9t%5E2%2Bs\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=sqrt%28%28s-h%29%2F4.9%29 ALIGN=MIDDLE  ALT=\"t=sqrt%28%28s-h%29%2F4.9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Hope that helps<BR>\n" );
document.write( "John </SPAN>\n" );
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